Molar mass of calcium chloride dihydrate (CaCl2·2H2O)

The molar mass of calcium chloride dihydrate (CaCl2·2H2O) is 147.008 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Calcium × 1 40.078 = 40.078
Chlorine × 2 35.45 = 70.9
Hydrogen × 4 1.008 = 4.032
Oxygen × 2 15.999 = 31.998
Total147.008 g/mol

Percent composition by element

  • Calcium 27.26%
  • Chlorine 48.23%
  • Hydrogen 2.74%
  • Oxygen 21.77%

Try another formula

H2O NaCl CO2 C6H12O6 H2SO4 Ca(OH)2 CuSO4·5H2O C8H10N4O2

Could not read that formula

Related compounds

Ca(OH)2 Calcium hydroxide HClO4 Perchloric acid HClO Hypochlorous acid CaSO4·2H2O Calcium sulfate dihydrate HClO3 Chloric acid Ca(ClO)2 Calcium hypochlorite

FAQ

What is the molar mass of CaCl2·2H2O?

The molar mass of calcium chloride dihydrate (CaCl2·2H2O) is 147.008 g/mol.

How do you calculate the molar mass of CaCl2·2H2O?

Multiply the atomic mass of each element by the number of its atoms in CaCl2·2H2O, then add the results: 1 × 40.078 (Ca) + 2 × 35.45 (Cl) + 4 × 1.008 (H) + 2 × 15.999 (O) = 147.008 g/mol.

What percentage of CaCl2·2H2O is Chlorine?

Chlorine makes up 48.23% of the mass of calcium chloride dihydrate (CaCl2·2H2O).